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| author | Stefan Agner <stefan.agner@toradex.com> | 2017-09-26 16:04:08 +0200 |
|---|---|---|
| committer | Stefan Agner <stefan.agner@toradex.com> | 2017-09-26 18:11:18 +0200 |
| commit | 1f4d46cea2bc1886a13ae9adfcd9e4243eed6a4c (patch) | |
| tree | 2001999c70f8e46b192fc552590810aab35710e3 /drivers/i2c/busses/i2c-ismt.c | |
| parent | d152ae9d4704d8c7b3775e3b1a20e62aa3b1eed8 (diff) | |
| parent | b52c9082f2eb3a6f7fbbc86fad3eaa2a1725da66 (diff) | |
Merge tag 'v4.4.88' into toradex_vf_4.4-next
This is the 4.4.88 stable release
Diffstat (limited to 'drivers/i2c/busses/i2c-ismt.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-ismt.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c index 7ba795b24e75..639d1a9c8793 100644 --- a/drivers/i2c/busses/i2c-ismt.c +++ b/drivers/i2c/busses/i2c-ismt.c @@ -339,8 +339,10 @@ static int ismt_process_desc(const struct ismt_desc *desc, break; case I2C_SMBUS_BLOCK_DATA: case I2C_SMBUS_I2C_BLOCK_DATA: - memcpy(&data->block[1], dma_buffer, desc->rxbytes); - data->block[0] = desc->rxbytes; + if (desc->rxbytes != dma_buffer[0] + 1) + return -EMSGSIZE; + + memcpy(data->block, dma_buffer, desc->rxbytes); break; } return 0; |